52505642666613 has 32 divisors (see below), whose sum is σ = 74217142218240. Its totient is φ = 32959453237760.

The previous prime is 52505642666599. The next prime is 52505642666627. The reversal of 52505642666613 is 31666624650525.

52505642666613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52505642666599) and next prime (52505642666627).

It is not a de Polignac number, because 52505642666613 - 2⁶ = 52505642666549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505642656613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6176695 + ... + 11965067.

It is an arithmetic number, because the mean of its divisors is an integer number (2319285694320).

Almost surely, 2^{52505642666613} is an apocalyptic number.

It is an amenable number.

52505642666613 is a deficient number, since it is larger than the sum of its proper divisors (21711499551627).

52505642666613 is a wasteful number, since it uses less digits than its factorization.

52505642666613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790989.

The product of its (nonzero) digits is 46656000, while the sum is 57.

The spelling of 52505642666613 in words is "fifty-two trillion, five hundred five billion, six hundred forty-two million, six hundred sixty-six thousand, six hundred thirteen".